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%I A144963
%S A144963 1,1,1,1,1,2,2,1,2,4,3,2,2,4,9,8,3,4,4,9,20,16,8,6,8,9,20,48,41,16,16,
%T A144963 12,18,20,48,115,98,41,32,32,27,40,115,286,250,98,82,64,72,60,96,115,
%U A144963 286,719
%N A144963 Eigentriangle, row sums = A000081 starting (1, 2, 4, 9, 20, 48, 115,...).
%C A144963 Row sums = A000081 starting with offset 2: (1, 2, 4, 9, 20, 48, 115,...)
%C A144963 Right border = (1, 1, 2, 4, 9, 20, 48,...).
%C A144963 Left border = A051573: (1, 1, 1, 2, 3, 8, 16, 41,...)
%C A144963 Sum of n-th row terms = rightmost term of next row.
%F A144963 Eigentriangle by rows, termwise products of A000081 starting with offset 
               2: (1, 2, 4, 9, 20, 48,...) and row terms of an A051573 decrescendo 
               triangle: (1; 1,1; 1,1,1; 2,1,1,1; 3,2,1,1,1;...) where A051573 = 
               (1, 1, 1, 2, 3, 8, 16, 41,...).
%e A144963 First few rows of the triangle =
%e A144963 1;
%e A144963 1, 1;
%e A144963 1, 1, 2;
%e A144963 2, 1, 2, 4;
%e A144963 3, 2, 2, 4, 9;
%e A144963 8, 3, 4, 4, 9, 20;
%e A144963 16, 8, 6, 8, 9, 20, 48;
%e A144963 41, 16, 16, 12, 18, 20, 48, 115;
%e A144963 98, 41, 32, 3227, 40, 48, 115, 286;
%e A144963 ...
%e A144963 Row 4 = (2, 1, 2, 4) = termwise products of (2, 1, 1, 1) and (1, 1, 2, 
               4).
%Y A144963 Sequence in context: A029262 A129687 A128176 this_sequence A035374 A048299 
               A144218
%Y A144963 Adjacent sequences: A144960 A144961 A144962 this_sequence A144964 A144965 
               A144966
%K A144963 eigen,nonn,tabl
%O A144963 1,6
%A A144963 Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 27 2008

    
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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